Use LOG instead of DLOG for crash logging in web tests.

Clusterfuzz doesn't always enable DCHECKs and using DLOG prevents us
from seeing which process type crashed.

The Clusterfuzz reports don't include logging from the child process
to display the stack trace either so this is important.

R=nasko@chromium.org

Bug: 1068300
Change-Id: If2b7c676ff314e53af5877dbbd5ca0508cc9d920
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2140299Reviewed-by: Nasko Oskov <nasko@chromium.org>
Commit-Queue: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#757156}

content/shell/browser/web_test/web_test_content_browser_client.cc

@@ -141,10 +141,10 @@ void CreateChildProcessCrashWatcher() {
         const ChildProcessData& data,
         const ChildProcessTerminationInfo& info) override {
       // Child processes should not crash in web tests.
-      DLOG(ERROR) << "Child process crashed with\n"
-                     "   process_type: "
-                  << data.process_type << "\n"
-                  << "   name: " << data.name;
+      LOG(ERROR) << "Child process crashed with\n"
+                    "   process_type: "
+                 << data.process_type << "\n"
+                 << "   name: " << data.name;
       CHECK(false);
     }
   };